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vichka [17]
3 years ago
5

you scored 72% on the Unit 1 exam and then 90% on the unit 2 exam. what was your percentage acorr increase

Mathematics
1 answer:
iVinArrow [24]3 years ago
6 0
The difference between 90% and 72% is 18%
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PLEASE HELP!! Identify the minium value of the function
timama [110]
Because this is a positive parabola, it opens upwards, like a cup, and the vertex dictates what the minimum value of the function is.  In order to determine the vertex, I recommend completing the square.  Do that by first setting the function equal to 0 and then moving the 9 to the other side by subtraction.  So far: x^2+6x=-9.  Now, to complete the square, take half the linear term, square it, and add that number to both sides.  Our linear term is 6.  Half of 6 is 3 and 3 squared is 9.  So add 9 to both sides. x^2+6x+9=-9+9.  The right side reduces to 0, and the left side simplifies to the perfect square binomial we created while completing this process.  (x+3)^2=0.  Move the 0 back over and the vertex is clear now.  It is (-3, 0).  Therefore, 0 is the minimum point on your graph.  The first choice above is the one you want.
3 0
3 years ago
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Greeley [361]

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D

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6 0
3 years ago
Joe's father is 15 more than twice Joe's age. How old is Joe's father? Solve algebraically.
dalvyx [7]

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6 0
3 years ago
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If x represents an even number, which expression represents an odd number?
Sauron [17]
Test the choices !
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Let's start with, say,  6 .
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d).  6/3 = 2.  That's not an odd number.

The only one that gave us an odd number is (b).


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Answer:

area = 41 units²

Step-by-step explanation:

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5 0
2 years ago
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